xref: /openbmc/u-boot/drivers/clk/sunxi/clk_a10s.c (revision c8e743c1)
1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * Copyright (C) 2018 Amarula Solutions.
4  * Author: Jagan Teki <jagan@amarulasolutions.com>
5  */
6 
7 #include <common.h>
8 #include <clk-uclass.h>
9 #include <dm.h>
10 #include <errno.h>
11 #include <asm/arch/ccu.h>
12 #include <dt-bindings/clock/sun5i-ccu.h>
13 #include <dt-bindings/reset/sun5i-ccu.h>
14 
15 static struct ccu_clk_gate a10s_gates[] = {
16 	[CLK_AHB_OTG]		= GATE(0x060, BIT(0)),
17 	[CLK_AHB_EHCI]		= GATE(0x060, BIT(1)),
18 	[CLK_AHB_OHCI]		= GATE(0x060, BIT(2)),
19 
20 	[CLK_USB_OHCI]		= GATE(0x0cc, BIT(6)),
21 	[CLK_USB_PHY0]		= GATE(0x0cc, BIT(8)),
22 	[CLK_USB_PHY1]		= GATE(0x0cc, BIT(9)),
23 };
24 
25 static struct ccu_reset a10s_resets[] = {
26 	[RST_USB_PHY0]		= RESET(0x0cc, BIT(0)),
27 	[RST_USB_PHY1]		= RESET(0x0cc, BIT(1)),
28 };
29 
30 static const struct ccu_desc a10s_ccu_desc = {
31 	.gates = a10s_gates,
32 	.resets = a10s_resets,
33 };
34 
35 static int a10s_clk_bind(struct udevice *dev)
36 {
37 	return sunxi_reset_bind(dev, ARRAY_SIZE(a10s_resets));
38 }
39 
40 static const struct udevice_id a10s_ccu_ids[] = {
41 	{ .compatible = "allwinner,sun5i-a10s-ccu",
42 	  .data = (ulong)&a10s_ccu_desc },
43 	{ .compatible = "allwinner,sun5i-a13-ccu",
44 	  .data = (ulong)&a10s_ccu_desc },
45 	{ }
46 };
47 
48 U_BOOT_DRIVER(clk_sun5i_a10s) = {
49 	.name		= "sun5i_a10s_ccu",
50 	.id		= UCLASS_CLK,
51 	.of_match	= a10s_ccu_ids,
52 	.priv_auto_alloc_size	= sizeof(struct ccu_priv),
53 	.ops		= &sunxi_clk_ops,
54 	.probe		= sunxi_clk_probe,
55 	.bind		= a10s_clk_bind,
56 };
57